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Finding the Fourth Proportional to 158,726.70, 238,082.34 and 58,906.34

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Solution

The fourth proportional to 158,726.70, 238,082.34 and 58,906.34 is: 88,356.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,726.70 : 238,082.34 = 58,906.34 : x
  2. Step 2: Convert to fraction form
    158,726.70/238,082.34 = 58,906.34/x
  3. Step 3: Cross multiply
    158,726.70x = 238,082.34 × 58,906.34
  4. Step 4: Simplify right side
    158,726.70x = 14,024,559,268.04
  5. Step 5: Solve for x
    x = 14,024,559,268.04/158,726.70
  6. Step 6: Final answer
    x = 88,356.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.